moonlight
US /ˈmuːn.laɪt/
UK /ˈmuːn.laɪt/

1.
travailler au noir, faire un second travail
to work at an additional job, especially secretly and without reporting the income for tax purposes
:
•
He had to moonlight as a bartender to make ends meet.
Il devait travailler au noir comme barman pour joindre les deux bouts.
•
Many teachers moonlight during the summer break.
De nombreux enseignants travaillent au noir pendant les vacances d'été.